Revealing mistake: Near the end, Max's father is holding onto a tree to avoid being blown away by the tornado. However, the next time you see him he starts to talk to Max with both of his hands off the tree and he isn't being affected by the incredibly strong wind at all.
Revealing mistake: When Sharkboy and Lavagirl are riding on Tobor's eyes to the Train of Thought, the eyeballs they ride on continue to blink shut which means they are moving forwards and back. However this doesn't affect either one of their's stance, and they just stand completely still. (00:36:30)Hamster